Marking apparatus



FIG. 1 is a front perspective view of a marking apparatus, showing our new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 3 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a bottom perspective view thereof.

The broken lines in FIGS. 1-6 are for the purpose of illustrating portions of the marking apparatus that form no part of the claimed design. 

CLAIM The ornamental design for a marking apparatus, as shown and described. 